io.github.lazymac2x/api-contract-validator

up checked 2026-11-11T05:38:10.746Z

Unclaimed · Unverified

Agent searches it appeared in, last 30 days: 0. Run this server? Claim the listing: verified label, uptime alerts and analytics.

Publisher-provided description

Cloudflare Workers MCP server: api-contract-validator

Summary by lookupd

Validates, lints, and diffs OpenAPI and AsyncAPI specs, detects breaking changes, and generates mock responses from spec definitions.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http api-contract-validator https://api.lazy-mac.com/api-contract-validator/mcp

Codex, remote (streamable-http)

codex mcp add api-contract-validator --url https://api.lazy-mac.com/api-contract-validator/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "api-contract-validator": {
      "url": "https://api.lazy-mac.com/api-contract-validator/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (5 tools)

Publisher-provided text

• validate_openapi_spec Validate an OpenAPI 3.x or AsyncAPI spec JSON. Returns structural errors, missing required fields, and warnings.
• diff_request_response Compare a real HTTP request/response against an OpenAPI spec contract. Returns per-field violations.
• lint_api_schema Lint an API spec for quality and best practice compliance. Rules: operation-id-kebab-case, response-success-required, tags-defined, no-empty-description, securi
• generate_mock_from_spec Generate mock response data from an OpenAPI spec. Uses examples, defaults, formats, and type heuristics.
• check_breaking_changes Compare two OpenAPI spec versions to detect breaking changes: removed paths/operations, new required parameters, removed response codes, operationId renames.

Details

• Version: 1.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 719 ms
• First indexed: 2026-11-01T09:38:17.725Z
• Last seen in registry: 2026-11-01T09:38:17.725Z
• Repository: https://github.com/lazymac2x/api-contract-validator-api

Badge for your README

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/io.github.lazymac2x/api-contract-validator.svg)](https://lookupd.com/servers/io.github.lazymac2x/api-contract-validator)

• 62071 servers
• Last crawl: 2026-11-11T16:39:06.253Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp